Last updated: March 2, 2024
The weather in Mana, French Guiana, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 30°C (86°F), while lows may dip to 25°C (77°F). Typically, the humidity level in Mana throughout September hovers around 62%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Mana averages 52 mm (2.0 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 12 hours 7 minutes of daylight, with the sun shining for approximately 11 hours 10 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Mana reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 4 | 8 | 11 | 13 | 13 | 11 | 7 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 25 min | 30 min | 45 min | ||||||